Fidelia as a Baby Name. Meaning and Origin of Fidelia

What is the meaning of the name Fidelia ?

The baby name Fidelia is a Female name , 4 syllables long and is pronounced fi-DEL-ee-ə (IPA: /fɪˈdiːliə/).

Fidelia is Latin in Origin.

Fidelia is the feminine form of Latin Fidelis, from fides "faith," carrying the sense of "faithful, loyal, trustworthy." The -ia ending gives it a classical cadence found across Romance and ecclesiastical Latin, and the name appears in early modern records as a Latinized feminine honoring the Christian virtue of fidelity.

Usage clusters in English-speaking countries from the 17th through 19th centuries, aligning with virtue and neoclassical naming, and it also occurs in Spanish- and Portuguese-speaking contexts as a counterpart to Fidel. Historical parish registers and American census entries show steady but rare use, with occasional revivals among Catholic families. Variants and cognates include Fidélia (French/Portuguese), Fidela (Spanish/Portuguese), and the elaboration Fidelina; masculine relatives are Fidel, Fidèle, and Fidelis. Informal short forms include Delia, Lia, and Fia. The overall tone is dignified yet warm, suggestive of steadfastness and reliability.